acinclude.m4

   1 dnl This file contains the common configuration code which would
   2 dnl otherwise be duplicated between configure and configure-libafs.
   3 dnl
   4 dnl NB: Because this code is a macro, references to positional shell
   5 dnl parameters must be done like $[]1 instead of $1
   6
   7 AC_DEFUN([OPENAFS_CONFIGURE_COMMON],[
   8 AH_VERBATIM([OPENAFS_HEADER],
   9 [#undef HAVE_RES_SEARCH
  10 #undef STRUCT_SOCKADDR_HAS_SA_LEN
  11 #if !defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__)
  12 # if ENDIANESS_IN_SYS_PARAM_H
  13 #  ifndef KERNEL
  14 #   include <sys/types.h>
  15 #   include <sys/param.h>
  16 #   if BYTE_ORDER == BIG_ENDIAN
  17 #   define WORDS_BIGENDIAN 1
  18 #   endif
  19 #  else
  20 #   if defined(AUTOCONF_FOUND_BIGENDIAN)
  21 #    define WORDS_BIGENDIAN 1
  22 #   else
  23 #    undef WORDS_BIGENDIAN
  24 #   endif
  25 #  endif
  26 # else
  27 #  if defined(AUTOCONF_FOUND_BIGENDIAN)
  28 #   define WORDS_BIGENDIAN 1
  29 #  else
  30 #   undef WORDS_BIGENDIAN
  31 #  endif
  32 # endif
  33 #else
  34 # if defined(__BIG_ENDIAN__)
  35 #  define WORDS_BIGENDIAN 1
  36 # else
  37 #  undef WORDS_BIGENDIAN
  38 # endif
  39 #endif
  40 #ifdef UKERNEL
  41 /*
  42  * Always use 64-bit file offsets for UKERNEL code. Needed for UKERNEL stuff to
  43  * play nice with some other interfaces like FUSE. We technically only would
  44  * need to define this when building for such interfaces, but set it always to
  45  * try and reduce potential confusion.
  46  */
  47 #define _FILE_OFFSET_BITS 64
  48 #endif
  49
  50 #undef AFS_AFSDB_ENV
  51 #undef AFS_LARGEFILE_ENV
  52 #undef AFS_NAMEI_ENV
  53 #undef BITMAP_LATER
  54 #undef BOS_RESTRICTED_MODE
  55 #undef BOS_NEW_CONFIG
  56 #undef FAST_RESTART
  57 #undef FULL_LISTVOL_SWITCH
  58 #undef COMPLETION_H_EXISTS
  59 #undef DEFINED_FOR_EACH_PROCESS
  60 #undef DEFINED_PREV_TASK
  61 #undef EXPORTED_KALLSYMS_ADDRESS
  62 #undef EXPORTED_KALLSYMS_SYMBOL
  63 #undef EXPORTED_SYS_CALL_TABLE
  64 #undef EXPORTED_IA32_SYS_CALL_TABLE
  65 #undef EXPORTED_TASKLIST_LOCK
  66 #undef INODE_SETATTR_NOT_VOID
  67 #undef IRIX_HAS_MEM_FUNCS
  68 #undef RECALC_SIGPENDING_TAKES_VOID
  69 #undef STRUCT_ADDRESS_SPACE_HAS_GFP_MASK
  70 #undef STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK
  71 #undef STRUCT_FS_HAS_FS_ROLLED
  72 #undef STRUCT_INODE_HAS_I_DEVICES
  73 #undef STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS
  74 #undef STRUCT_INODE_HAS_I_ALLOC_SEM
  75 #undef STRUCT_INODE_HAS_I_TRUNCATE_SEM
  76 #undef STRUCT_TASK_STRUCT_HAS_PARENT
  77 #undef STRUCT_TASK_STRUCT_HAS_REAL_PARENT
  78 #undef STRUCT_TASK_STRUCT_HAS_SIG
  79 #undef STRUCT_TASK_STRUCT_HAS_SIGHAND
  80 #undef STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK
  81 #undef ssize_t
  82 #undef HAVE_STRUCT_BUF
  83 #undef HAVE_ARPA_NAMESER_COMPAT_H
  84 /* glue for RedHat kernel bug */
  85 #undef ENABLE_REDHAT_BUILDSYS
  86 #if defined(ENABLE_REDHAT_BUILDSYS) && defined(KERNEL) && defined(REDHAT_FIX)
  87 #include "redhat-fix.h"
  88 #endif])
  89
  90 AC_CANONICAL_HOST
  91 SRCDIR_PARENT=`pwd`
  92
  93 #BOZO_SAVE_CORES pam
  94
  95 dnl System identity.
  96 AC_ARG_WITH([afs-sysname],
  97     [AS_HELP_STRING([--with-afs-sysname=sys], [use sys for the afs sysname])])
  98
  99 dnl General feature options.
 100 AC_ARG_ENABLE([afsdb],
 101     [AS_HELP_STRING([--disable-afsdb], [disable AFSDB DNS RR support])],
 102     ,
 103     [enable_afsdb="yes"])
 104 AC_ARG_ENABLE([pam],
 105     [AS_HELP_STRING([--disable-pam], [disable PAM support])],
 106     ,
 107     [enable_pam="yes"])
 108 AC_ARG_ENABLE([bos-restricted-mode],
 109     [AS_HELP_STRING([--enable-bos-restricted-mode],
 110         [enable bosserver restricted mode which disables certain bosserver
 111          functionality])],
 112     ,
 113     [enable_bos_restricted_mode="no"])
 114 AC_ARG_ENABLE([bos-new-config],
 115     [AS_HELP_STRING([--enable-bos-new-config],
 116         [enable bosserver pickup of BosConfig.new on restarts])],
 117     ,
 118     [enable_bos_new_config="no"])
 119 AC_ARG_ENABLE([largefile-fileserver],
 120     [AS_HELP_STRING([--disable-largefile-fileserver],
 121         [disable large file support in fileserver])],
 122     ,
 123     [enable_largefile_fileserver="yes"])
 124 AC_ARG_ENABLE([namei-fileserver],
 125     [AS_HELP_STRING([--enable-namei-fileserver],
 126         [force compilation of namei fileserver in preference to inode
 127          fileserver])],
 128     ,
 129     [enable_namei_fileserver="default"])
 130 AC_ARG_ENABLE([cache-bypass],
 131     [AS_HELP_STRING([--enable-cache-bypass],
 132         [enable client support for cache bypass])],
 133     ,
 134     [enable_cache_bypass="no"])
 135 AC_ARG_ENABLE([supergroups],
 136     [AS_HELP_STRING([--enable-supergroups],
 137         [enable support for nested pts groups])],
 138     ,
 139     [enable_supergroups="no"])
 140 AC_ARG_ENABLE([fast-restart],
 141     [AS_HELP_STRING([--enable-fast-restart],
 142         [enable fast startup of file server without salvaging])],
 143     ,
 144     [enable_fast_restart="no"])
 145 AC_ARG_ENABLE([bitmap-later],
 146     [AS_HELP_STRING([--enable-bitmap-later],
 147         [enable fast startup of file server by not reading bitmap till
 148          needed])],
 149     ,
 150     [enable_bitmap_later="no"])
 151 AC_ARG_ENABLE([demand-attach-fs],
 152     [AS_HELP_STRING([--enable-demand-attach-fs],
 153         [enable Demand Attach Fileserver (please see documentation)])],
 154     ,
 155     [enable_demand_attach_fs="no"])
 156 AC_ARG_ENABLE([disconnected],
 157     [AS_HELP_STRING([--enable-disconnected],
 158         [enable disconnected support in cache manager (experimental)])],
 159     ,
 160     [enable_disconnected="no"])
 161 AC_ARG_ENABLE([unix-sockets],
 162     [AS_HELP_STRING([--enable-unix-sockets],
 163         [enable use of unix domain sockets for fssync])],
 164     ,
 165     [enable_unix_sockets="yes"])
 166 AC_ARG_ENABLE([full-vos-listvol-switch],
 167     [AS_HELP_STRING([--disable-full-vos-listvol-switch],
 168         [disable vos full listvol switch for formatted output])],
 169     ,
 170     [enable_full_vos_listvol_switch="yes"])
 171 AC_ARG_ENABLE([icmp-pmtu-discovery],
 172     [AS_HELP_STRING([--enable-icmp-pmtu-discovery],
 173         [enable path MTU discovery by decoding ICMP unreachable replies])],
 174     ,
 175     [enable_icmp_pmtu_discovery="no"])
 176 AC_ARG_ENABLE([tivoli-tsm],
 177     [AS_HELP_STRING([--enable-tivoli-tsm],
 178         [enable use of the Tivoli TSM API libraries for butc support])],
 179     ,
 180     [enable_tivoli_tsm="no"])
 181 AC_ARG_ENABLE([pthreaded-ubik],
 182     [AS_HELP_STRING([--enable-pthreaded-ubik],
 183         [enable installation of pthreaded ubik applications (defaults to
 184          disabled)])],
 185     ,
 186     [enable_pthreaded_ubik="no"])
 187
 188 dnl Kernel module build options.
 189 AC_ARG_WITH([dux-kernel-headers],
 190     [AS_HELP_STRING([--with-dux-kernel-headers=path],
 191         [use the kernel headers found at path (optional, defaults to first
 192          match in /usr/sys)])])
 193 AC_ARG_WITH([linux-kernel-headers],
 194     [AS_HELP_STRING([--with-linux-kernel-headers=path],
 195         [use the kernel headers found at path (optional, defaults to
 196          /usr/src/linux-2.4, then /usr/src/linux)])])
 197 AC_ARG_WITH([linux-kernel-build],
 198     [AS_HELP_STRING([--with-linux-kernel-build=path],
 199         [use the kernel build found at path(optional, defaults to
 200         /usr/src/linux-2.4, then /usr/src/linux)])])
 201 AC_ARG_WITH([bsd-kernel-headers],
 202     [AS_HELP_STRING([--with-bsd-kernel-headers=path],
 203         [use the kernel headers found at path (optional, defaults to
 204          /usr/src/sys)])])
 205 AC_ARG_WITH([bsd-kernel-build],
 206     [AS_HELP_STRING([--with-bsd-kernel-build=path],
 207         [use the kernel build found at path (optional, defaults to
 208          KSRC/i386/compile/GENERIC)])])
 209 AC_ARG_WITH([linux-kernel-packaging],
 210     [AS_HELP_STRING([--with-linux-kernel-packaging],
 211         [use standard naming conventions to aid Linux kernel build packaging
 212          (disables MPS, sets the kernel module name to openafs.ko, and
 213          installs kernel modules into the standard Linux location)])],
 214     [AC_SUBST(LINUX_KERNEL_PACKAGING, "yes")
 215      AC_SUBST(LINUX_LIBAFS_NAME, "openafs")],
 216     [AC_SUBST(LINUX_LIBAFS_NAME, "libafs")])
 217 AC_ARG_ENABLE([kernel-module],
 218     [AS_HELP_STRING([--disable-kernel-module],
 219         [disable compilation of the kernel module (defaults to enabled)])],
 220     ,
 221     [enable_kernel_module="yes"])
 222 AC_ARG_ENABLE([redhat-buildsys],
 223     [AS_HELP_STRING([--enable-redhat-buildsys],
 224         [enable compilation of the redhat build system kernel (defaults to
 225          disabled)])],
 226     ,
 227     [enable_redhat_buildsys="no"])
 228
 229 dnl Installation locations.
 230 AC_ARG_ENABLE([transarc-paths],
 231     [AS_HELP_STRING([--enable-transarc-paths],
 232         [use Transarc style paths like /usr/afs and /usr/vice])],
 233     ,
 234     [enable_transarc_paths="no"])
 235
 236 dnl Optimization and debugging flags.
 237 AC_ARG_ENABLE([strip-binaries],
 238     [AS_HELP_STRING([--disable-strip-binaries],
 239         [disable stripping of symbol information from binaries (defaults to
 240          enabled)])],
 241     ,
 242     [enable_strip_binaries="maybe"])
 243 AC_ARG_ENABLE([debug],
 244     [AS_HELP_STRING([--enable-debug],
 245         [enable compilation of the user space code with debugging information
 246          (defaults to disabled)])],
 247     ,
 248     [enable_debug="no"])
 249 AC_ARG_ENABLE([optimize],
 250     [AS_HELP_STRING([--disable-optimize],
 251         [disable optimization for compilation of the user space code (defaults
 252          to enabled)])],
 253     ,
 254     [enable_optimize="yes"])
 255 AC_ARG_ENABLE([warnings],
 256     [AS_HELP_STRING([--enable-warnings],
 257         [enable compilation warnings when building with gcc (defaults to
 258          disabled)])],
 259     ,
 260     [enable_warnings="no"])
 261 AC_ARG_ENABLE([debug-kernel],
 262     [AS_HELP_STRING([--enable-debug-kernel],
 263         [enable compilation of the kernel module with debugging information
 264          (defaults to disabled)])],
 265     ,
 266     [enable_debug_kernel="no"])
 267 AC_ARG_ENABLE([optimize-kernel],
 268     [AS_HELP_STRING([--disable-optimize-kernel],
 269         [disable compilation of the kernel module with optimization (defaults
 270          based on platform)])],
 271     ,
 272     [enable_optimize_kernel="yes"])
 273 AC_ARG_ENABLE([debug-lwp],
 274     [AS_HELP_STRING([--enable-debug-lwp],
 275         [enable compilation of the LWP code with debugging information
 276          (defaults to disabled)])],
 277     ,
 278     [enable_debug_lwp="no"])
 279 AC_ARG_ENABLE([optimize-lwp],
 280     [AS_HELP_STRING([--disable-optimize-lwp],
 281         [disable optimization for compilation of the LWP code (defaults to
 282          enabled)])],
 283     ,
 284     [enable_optimize_lwp="yes"])
 285 AC_ARG_ENABLE([debug-pam],
 286     [AS_HELP_STRING([--enable-debug-pam],
 287         [enable compilation of the PAM code with debugging information
 288          (defaults to disabled)])],
 289     ,
 290     [enable_debug_pam="no"])
 291 AC_ARG_ENABLE([optimize-pam],
 292     [AS_HELP_STRING([--disable-optimize-pam],
 293         [disable optimization for compilation of the PAM code (defaults to
 294          enabled)])],
 295     ,
 296     [enable_optimize_pam="yes"])
 297 AC_ARG_ENABLE([linux-syscall-probing],
 298     [AS_HELP_STRING([--disable-linux-syscall-probing],
 299         [disabling Linux syscall probing (defaults to enabled)])],
 300     ,
 301     [AC_DEFINE(ENABLE_LINUX_SYSCALL_PROBING, 1,
 302         [define to enable syscall table probes])])
 303
 304
 305 AC_ARG_WITH([xslt-processor],
 306         AS_HELP_STRING([--with-xslt-processor=ARG],
 307         [which XSLT processor to use (possible choices are: libxslt, saxon, xalan-j, xsltproc)]),
 308         XSLTPROC="$withval",
 309         XSLTPROC="libxslt")
 310
 311 AC_ARG_WITH([html-xsl],
 312         AS_HELP_STRING([--with-html-xsl],
 313         [build HTML documentation using Norman Walsh's DocBook XSL stylesheets (default is no; specify a path to chunk.xsl or docbook.xsl)]),
 314         HTML_XSL="$withval",
 315         HTML_XSL=no)
 316
 317 enable_login="no"
 318
 319 dnl weird ass systems
 320 dnl AC_AIX
 321 AC_ISC_POSIX
 322 dnl AC_MINIX
 323
 324 dnl Various compiler setup.
 325 AC_TYPE_PID_T
 326 AC_TYPE_SIZE_T
 327 COMPILER_HAS_FUNCTION_MACRO
 328
 329 dnl Checks for programs.
 330 AC_PROG_INSTALL
 331 AC_PROG_LN_S
 332 AC_PROG_RANLIB
 333 AC_PROG_YACC
 334 AM_PROG_LEX
 335
 336 OPENAFS_CHECK_BIGENDIAN
 337
 338 AC_MSG_CHECKING(your OS)
 339 system=$host
 340 case $system in
 341         *-linux*)
 342
 343                 MKAFS_OSTYPE=LINUX
 344                 if test "x$enable_redhat_buildsys" = "xyes"; then
 345                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
 346                 fi
 347                 if test "x$enable_kernel_module" = "xyes"; then
 348                  if test "x$with_linux_kernel_headers" != "x"; then
 349                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
 350                  else
 351                    LINUX_KERNEL_PATH="/lib/modules/`uname -r`/source"
 352                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 353                      LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
 354                    fi
 355                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 356                      LINUX_KERNEL_PATH="/usr/src/linux-2.4"
 357                    fi
 358                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 359                      LINUX_KERNEL_PATH="/usr/src/linux"
 360                    fi
 361                  fi
 362                  if test "x$with_linux_kernel_build" != "x"; then
 363                          LINUX_KERNEL_BUILD="$with_linux_kernel_build"
 364                  else
 365                    LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
 366                  fi
 367                if test -f "$LINUX_KERNEL_BUILD/include/linux/utsrelease.h"; then
 368                  linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 369                  LINUX_VERSION="$linux_kvers"
 370                else
 371                  if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
 372                   linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 373                   if test "x$linux_kvers" = "x"; then
 374                     if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
 375                       linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 376                       if test "x$linux_kvers" = "x"; then
 377
 378                         AC_MSG_ERROR(Linux headers lack version definition [2])
 379                         exit 1
 380                       else
 381                         LINUX_VERSION="$linux_kvers"
 382                       fi
 383                     else
 384                       AC_MSG_ERROR(Linux headers lack version definition)
 385                       exit 1
 386                     fi
 387                   else
 388                     LINUX_VERSION="$linux_kvers"
 389                   fi
 390                  else
 391                     enable_kernel_module="no"
 392                  fi
 393                fi
 394                  if test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
 395                      enable_kernel_module="no"
 396                  fi
 397                  if test "x$enable_kernel_module" = "xno"; then
 398                   if test "x$with_linux_kernel_headers" != "x"; then
 399                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
 400                    exit 1
 401                   else
 402                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
 403                   fi
 404                  fi
 405                  dnl do we need to determine SUBARCH from autoconf.h
 406                  SUBARCH=default
 407                 fi
 408                 AC_MSG_RESULT(linux)
 409                 if test "x$enable_kernel_module" = "xyes"; then
 410                  AFS_SYSKVERS=`echo $LINUX_VERSION | awk -F\. '{print $[]1 $[]2}'`
 411                  if test "x${AFS_SYSKVERS}" = "x"; then
 412                   AC_MSG_ERROR(Couldn't guess your Linux version [2])
 413                  fi
 414                 fi
 415                 ;;
 416         *-solaris*)
 417                 MKAFS_OSTYPE=SOLARIS
 418                 AC_MSG_RESULT(sun4)
 419                 SOLARIS_UFSVFS_HAS_DQRWLOCK
 420                 SOLARIS_PROC_HAS_P_COREFILE
 421                 SOLARIS_FS_HAS_FS_ROLLED
 422                 SOLARIS_SOLOOKUP_TAKES_SOCKPARAMS
 423                 ;;
 424         *-sunos*)
 425                 MKAFS_OSTYPE=SUNOS
 426                 enable_kernel_module=no
 427                 AC_MSG_RESULT(sun4)
 428                 ;;
 429         *-hpux*)
 430                 MKAFS_OSTYPE=HPUX
 431                 AC_MSG_RESULT(hp_ux)
 432                 if test -f "/usr/old/usr/include/ndir.h"; then
 433                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
 434                 fi
 435                 ;;
 436         *-irix*)
 437                 if test -d /usr/include/sys/SN/SN1; then
 438                  IRIX_BUILD_IP35="IP35"
 439                 fi
 440                 MKAFS_OSTYPE=IRIX
 441                 AC_MSG_RESULT(sgi)
 442                 ;;
 443         *-aix*)
 444                 MKAFS_OSTYPE=AIX
 445                 AC_MSG_RESULT(rs_aix)
 446                 ;;
 447         *-osf*)
 448                 MKAFS_OSTYPE=DUX
 449                 AC_MSG_RESULT(alpha_dux)
 450                 ;;
 451         powerpc-*-darwin*)
 452                 MKAFS_OSTYPE=DARWIN
 453                 AC_MSG_RESULT(ppc_darwin)
 454                 ;;
 455         i386-*-darwin*)
 456                 MKAFS_OSTYPE=DARWIN
 457                 AC_MSG_RESULT(x86_darwin)
 458                 ;;
 459         i386-*-freebsd*)
 460                 MKAFS_OSTYPE=FBSD
 461                 AC_MSG_RESULT(i386_fbsd)
 462                 ;;
 463         x86_64-*-freebsd*)
 464                 MKAFS_OSTYPE=FBSD
 465                 AC_MSG_RESULT(amd64_fbsd)
 466                 ;;
 467         *-netbsd*)
 468                 MKAFS_OSTYPE=NBSD
 469                 AC_MSG_RESULT(nbsd)
 470                 ;;
 471         x86_64-*-openbsd*)
 472                 MKAFS_OSTYPE=OBSD
 473                 AC_MSG_RESULT(amd64_obsd)
 474                 ;;
 475         i386-openbsd*)
 476                 MKAFS_OSTYPE=OBSD
 477                 AC_MSG_RESULT(i386_obsd)
 478                 ;;
 479         *-dragonfly*)
 480                 MKAFS_OSTYPE=DFBSD
 481                 AC_MSG_RESULT(i386_dfbsd)
 482                 ;;
 483         *)
 484                 AC_MSG_RESULT($system)
 485                 ;;
 486 esac
 487
 488 if test "x$with_afs_sysname" != "x"; then
 489         AFS_SYSNAME="$with_afs_sysname"
 490 else
 491         AC_MSG_CHECKING(your AFS sysname)
 492         case $host in
 493                 i?86-*-openbsd?.?)
 494                         v=${host#*openbsd}
 495                         vM=${v%.*}
 496                         vm=${v#*.}
 497                         AFS_SYSNAME="i386_obsd${vM}${vm}"
 498                         ;;
 499                 sparc64-*-openbsd?.?)
 500                         v=${host#*openbsd}
 501                         vM=${v%.*}
 502                         vm=${v#*.}
 503                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
 504                         ;;
 505                 x86_64-*-openbsd?.?)
 506                         v=${host#*openbsd}
 507                         vM=${v%.*}
 508                         vm=${v#*.}
 509                         AFS_SYSNAME="amd64_obsd${vM}${vm}"
 510                         ;;
 511                 i?86-*-freebsd?.*)
 512                         v=${host#*freebsd}
 513                         vM=${v%.*}
 514                         vm=${v#*.}
 515                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
 516                         ;;
 517                 x86_64-*-freebsd?.*)
 518                         v=${host#*freebsd}
 519                         vM=${v%.*}
 520                         vm=${v#*.}
 521                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
 522                         ;;
 523                 i386-*-dragonfly2.2*)
 524                         AFS_SYSNAME="i386_dfbsd_23"
 525                         ;;
 526                 i386-*-dragonfly2.3*)
 527                         AFS_SYSNAME="i386_dfbsd_23"
 528                         ;;
 529                 i?86-*-netbsd*1.5*)
 530                         AFS_SYSNAME="i386_nbsd15"
 531                         ;;
 532                 alpha-*-netbsd*1.5*)
 533                         AFS_SYSNAME="alpha_nbsd15"
 534                         ;;
 535                 i?86-*-netbsd*1.6[[M-Z]]*)
 536                         AFS_SYSNAME="i386_nbsd20"
 537                         ;;
 538                 powerpc-*-netbsd*1.6[[M-Z]]*)
 539                         AFS_SYSNAME="ppc_nbsd20"
 540                         ;;
 541                 i?86-*-netbsd*2.0*)
 542                         AFS_SYSNAME="i386_nbsd20"
 543                         ;;
 544                 amd64-*-netbsd*2.0*)
 545                         AFS_SYSNAME="amd64_nbsd20"
 546                         ;;
 547                 x86_64-*-netbsd*3.[[0-8]]*)
 548 # XXX AFS_PARAM_COMMON handled separately, redundant?
 549                         AFS_PARAM_COMMON=param.nbsd30.h
 550                         AFS_SYSNAME="amd64_nbsd30"
 551                         ;;
 552                 x86_64-*-netbsd*4.[[0-8]]*)
 553 # XXX AFS_PARAM_COMMON handled separately, redundant?
 554                         AFS_PARAM_COMMON=param.nbsd40.h
 555                         AFS_SYSNAME="amd64_nbsd40"
 556                         ;;
 557                 powerpc-*-netbsd*2.0*)
 558                         AFS_SYSNAME="ppc_nbsd20"
 559                         ;;
 560                 i?86-*-netbsd*1.6*)
 561                         AFS_SYSNAME="i386_nbsd16"
 562                         ;;
 563                 alpha-*-netbsd*1.6*)
 564                         AFS_SYSNAME="alpha_nbsd16"
 565                         ;;
 566                 powerpc-*-netbsd*1.6*)
 567                         AFS_SYSNAME="ppc_nbsd16"
 568                         ;;
 569                 i?86-*-netbsd*2.1*)
 570                         AFS_SYSNAME="i386_nbsd21"
 571                         ;;
 572                 i?86-*-netbsd*2.99*)
 573                         AFS_SYSNAME="i386_nbsd30"
 574                         ;;
 575                 i?86-*-netbsd*3.[[0-8]]*)
 576                         AFS_SYSNAME="i386_nbsd30"
 577                         ;;
 578                 i?86-*-netbsd*3.99*)
 579                         AFS_SYSNAME="i386_nbsd30"
 580                         ;;
 581                 i?86-*-netbsd*4.[[0-8]]*)
 582                         AFS_SYSNAME="i386_nbsd40"
 583                         ;;
 584                 i?86-*-netbsd*4.99*)
 585                         AFS_SYSNAME="i386_nbsd40"
 586                         ;;
 587                 hppa*-hp-hpux11.0*)
 588                         AFS_SYSNAME="hp_ux110"
 589                         ;;
 590                 hppa*-hp-hpux11.11)
 591                         AFS_SYSNAME="hp_ux11i"
 592                         ;;
 593                 hppa*-hp-hpux11.23)
 594                         AFS_SYSNAME="hp_ux1123"
 595                         ;;
 596                 ia64-hp-hpux11.22)
 597                         AFS_SYSNAME="ia64_hpux1122"
 598                         ;;
 599                 ia64-hp-hpux*)
 600                         AFS_SYSNAME="ia64_hpux1123"
 601                         ;;
 602                 hppa*-hp-hpux10*)
 603                         AFS_SYSNAME="hp_ux102"
 604                         ;;
 605                 powerpc-apple-darwin1.2*)
 606                         AFS_SYSNAME="ppc_darwin_12"
 607                         ;;
 608                 powerpc-apple-darwin1.3*)
 609                         AFS_SYSNAME="ppc_darwin_13"
 610                         ;;
 611                 powerpc-apple-darwin1.4*)
 612                         AFS_SYSNAME="ppc_darwin_14"
 613                         ;;
 614                 powerpc-apple-darwin5.1*)
 615                         AFS_SYSNAME="ppc_darwin_14"
 616                         ;;
 617                 powerpc-apple-darwin5.2*)
 618                         AFS_SYSNAME="ppc_darwin_14"
 619                         ;;
 620                 powerpc-apple-darwin5.3*)
 621                         AFS_SYSNAME="ppc_darwin_14"
 622                         ;;
 623                 powerpc-apple-darwin5.4*)
 624                         AFS_SYSNAME="ppc_darwin_14"
 625                         ;;
 626                 powerpc-apple-darwin5.5*)
 627                         AFS_SYSNAME="ppc_darwin_14"
 628                         ;;
 629                 powerpc-apple-darwin6.0*)
 630                         AFS_SYSNAME="ppc_darwin_60"
 631                         ;;
 632                 powerpc-apple-darwin6.1*)
 633                         AFS_SYSNAME="ppc_darwin_60"
 634                         ;;
 635                 powerpc-apple-darwin6.2*)
 636                         AFS_SYSNAME="ppc_darwin_60"
 637                         ;;
 638                 powerpc-apple-darwin6.3*)
 639                         AFS_SYSNAME="ppc_darwin_60"
 640                         ;;
 641                 powerpc-apple-darwin6.4*)
 642                         AFS_SYSNAME="ppc_darwin_60"
 643                         ;;
 644                 powerpc-apple-darwin6.5*)
 645                         AFS_SYSNAME="ppc_darwin_60"
 646                         ;;
 647                 powerpc-apple-darwin7.0*)
 648                         AFS_SYSNAME="ppc_darwin_70"
 649                         ;;
 650                 powerpc-apple-darwin7.1*)
 651                         AFS_SYSNAME="ppc_darwin_70"
 652                         ;;
 653                 powerpc-apple-darwin7.2*)
 654                         AFS_SYSNAME="ppc_darwin_70"
 655                         ;;
 656                 powerpc-apple-darwin7.3*)
 657                         AFS_SYSNAME="ppc_darwin_70"
 658                         ;;
 659                 powerpc-apple-darwin7.4*)
 660                         AFS_SYSNAME="ppc_darwin_70"
 661                         ;;
 662                 powerpc-apple-darwin7.5*)
 663                         AFS_SYSNAME="ppc_darwin_70"
 664                         ;;
 665                 powerpc-apple-darwin8.0*)
 666                         AFS_SYSNAME="ppc_darwin_80"
 667                         ;;
 668                 powerpc-apple-darwin8.*)
 669                         AFS_SYSNAME="ppc_darwin_80"
 670                         ;;
 671                 i386-apple-darwin8.*)
 672                         AFS_SYSNAME="x86_darwin_80"
 673                         ;;
 674                 powerpc-apple-darwin9.*)
 675                         AFS_SYSNAME="ppc_darwin_90"
 676                         ;;
 677                 i386-apple-darwin9.*)
 678                         AFS_SYSNAME="x86_darwin_90"
 679                         ;;
 680                 i?86-apple-darwin10.*)
 681                         AFS_SYSNAME="x86_darwin_100"
 682                         ;;
 683                 sparc-sun-solaris2.5*)
 684                         AFS_SYSNAME="sun4x_55"
 685                         enable_login="yes"
 686                         ;;
 687                 sparc-sun-solaris2.6)
 688                         AFS_SYSNAME="sun4x_56"
 689                         ;;
 690                 sparc-sun-solaris2.7)
 691                         AFS_SYSNAME="sun4x_57"
 692                         ;;
 693                 sparc-sun-solaris2.8)
 694                         AFS_SYSNAME="sun4x_58"
 695                         ;;
 696                 sparc-sun-solaris2.9)
 697                         AFS_SYSNAME="sun4x_59"
 698                         ;;
 699                 sparc-sun-solaris2.10)
 700                         AFS_SYSNAME="sun4x_510"
 701                         ;;
 702                 sparc-sun-solaris2.11)
 703                         AFS_SYSNAME="sun4x_511"
 704                         ;;
 705                 sparc-sun-sunos4*)
 706                         AFS_SYSNAME="sun4_413"
 707                         enable_login="yes"
 708                         ;;
 709                 i386-pc-solaris2.7)
 710                         AFS_SYSNAME="sunx86_57"
 711                         ;;
 712                 i386-pc-solaris2.8)
 713                         AFS_SYSNAME="sunx86_58"
 714                         ;;
 715                 i386-pc-solaris2.9)
 716                         AFS_SYSNAME="sunx86_59"
 717                         ;;
 718                 i386-pc-solaris2.10)
 719                         AFS_SYSNAME="sunx86_510"
 720                         ;;
 721                 i386-pc-solaris2.11)
 722                         AFS_SYSNAME="sunx86_511"
 723                         ;;
 724                 alpha*-dec-osf4.0*)
 725                         AFS_SYSNAME="alpha_dux40"
 726                         ;;
 727                 alpha*-dec-osf5.0*)
 728                         AFS_SYSNAME="alpha_dux50"
 729                         ;;
 730                 alpha*-dec-osf5.1*)
 731                         AFS_SYSNAME="alpha_dux51"
 732                         ;;
 733                 mips-sgi-irix6.5)
 734                         AFS_SYSNAME="sgi_65"
 735                         ;;
 736                 ia64-*-linux*)
 737                         AFS_SYSNAME="ia64_linuxXX"
 738                         ;;
 739                 powerpc-*-linux*)
 740                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 741                         ;;
 742                 powerpc64-*-linux*)
 743                         AFS_SYSNAME="ppc64_linuxXX"
 744                         ;;
 745                 alpha*-linux*)
 746                         AFS_SYSNAME="alpha_linux_XX"
 747                         ;;
 748                 s390-*-linux*)
 749                         AFS_SYSNAME="s390_linuxXX"
 750                         ;;
 751                 s390x-*-linux*)
 752                         AFS_SYSNAME="s390x_linuxXX"
 753                         ;;
 754                 sparc-*-linux*)
 755                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 756                         ;;
 757                 sparc64-*-linux*)
 758                         AFS_SYSNAME="sparc64_linuxXX"
 759                         ;;
 760                 i?86-*-linux*)
 761                         AFS_SYSNAME="i386_linuxXX"
 762                         ;;
 763                 arm*-linux*)
 764                         AFS_SYSNAME="arm_linuxXX"
 765                         ;;
 766                 parisc-*-linux-gnu|hppa-*-linux-gnu)
 767                         AFS_SYSNAME="parisc_linuxXX"
 768                         enable_pam="no"
 769                         ;;
 770                 power*-ibm-aix4.2*)
 771                         AFS_SYSNAME="rs_aix42"
 772                         enable_pam="no"
 773                         ;;
 774                 power*-ibm-aix4.3*)
 775                         AFS_SYSNAME="rs_aix42"
 776                         enable_pam="no"
 777                         ;;
 778                 power*-ibm-aix5.1*)
 779                         AFS_SYSNAME="rs_aix51"
 780                         enable_pam="no"
 781                         ;;
 782                 power*-ibm-aix5.2*)
 783                         AFS_SYSNAME="rs_aix52"
 784                         enable_pam="no"
 785                         ;;
 786                 power*-ibm-aix5.3*)
 787                         AFS_SYSNAME="rs_aix53"
 788                         enable_pam="no"
 789                         ;;
 790                 power*-ibm-aix6.1*)
 791                         AFS_SYSNAME="rs_aix61"
 792                         enable_pam="no"
 793                         ;;
 794                 x86_64-*-linux-gnu)
 795                         AFS_SYSNAME="amd64_linuxXX"
 796                         enable_pam="yes"
 797                         ;;
 798                 *)
 799                         AC_MSG_ERROR(An AFS sysname is required)
 800                         exit 1
 801                         ;;
 802         esac
 803         case $AFS_SYSNAME in
 804                 *_linux* | *_umlinux*)
 805                         if test "x${AFS_SYSKVERS}" = "x"; then
 806                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
 807                         fi
 808                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
 809                         AFS_SYSNAME="$_AFS_SYSNAME"
 810                         save_CPPFLAGS="$CPPFLAGS"
 811                         CPPFLAGS="-I${LINUX_KERNEL_PATH}/include $CPPFLAGS"
 812                         AC_TRY_COMPILE(
 813                          [#include <linux/autoconf.h>],
 814                          [#ifndef CONFIG_USERMODE
 815                           #error not UML
 816                           #endif],
 817                          ac_cv_linux_is_uml=yes,)
 818                         if test "${ac_cv_linux_is_uml}" = yes; then
 819                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
 820                         fi
 821                         CPPFLAGS="$save_CPPFLAGS"
 822                         AFS_SYSNAME="$_AFS_SYSNAME"
 823                         ;;
 824         esac
 825         AC_MSG_RESULT($AFS_SYSNAME)
 826 fi
 827
 828 dnl Some hosts have a separate common param file they should include.  Figure
 829 dnl out if we're on one of them now that we know the sysname.
 830 case $AFS_SYSNAME in
 831     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
 832     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
 833     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
 834     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
 835     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
 836     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
 837     *_obsd31)   AFS_PARAM_COMMON=param.obsd31.h  ;;
 838     *_obsd32)   AFS_PARAM_COMMON=param.obsd32.h  ;;
 839     *_obsd33)   AFS_PARAM_COMMON=param.obsd33.h  ;;
 840     *_obsd34)   AFS_PARAM_COMMON=param.obsd34.h  ;;
 841     *_obsd35)   AFS_PARAM_COMMON=param.obsd35.h  ;;
 842     *_obsd36)   AFS_PARAM_COMMON=param.obsd36.h  ;;
 843     *_obsd37)   AFS_PARAM_COMMON=param.obsd37.h  ;;
 844     *_obsd38)   AFS_PARAM_COMMON=param.obsd38.h  ;;
 845     *_obsd39)   AFS_PARAM_COMMON=param.obsd39.h  ;;
 846     *_obsd40)   AFS_PARAM_COMMON=param.obsd40.h  ;;
 847     *_obsd41)   AFS_PARAM_COMMON=param.obsd41.h  ;;
 848     *_obsd42)   AFS_PARAM_COMMON=param.obsd42.h  ;;
 849     *_obsd43)   AFS_PARAM_COMMON=param.obsd43.h  ;;
 850     *_obsd44)   AFS_PARAM_COMMON=param.obsd44.h  ;;
 851     *_obsd45)   AFS_PARAM_COMMON=param.obsd45.h  ;;
 852     *_linux22)  AFS_PARAM_COMMON=param.linux22.h ;;
 853     *_linux24)  AFS_PARAM_COMMON=param.linux24.h ;;
 854     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
 855 esac
 856
 857 case $AFS_SYSNAME in *_linux* | *_umlinux*)
 858
 859                 # Add (sub-) architecture-specific paths needed by conftests
 860                 case $AFS_SYSNAME  in
 861                         *_umlinux26)
 862                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
 863                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
 864                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
 865                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
 866                 esac
 867
 868                 if test "x$enable_kernel_module" = "xyes"; then
 869                  if test "x$enable_debug_kernel" = "xno"; then
 870                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
 871                  fi
 872                  OPENAFS_GCC_SUPPORTS_MARCH
 873                  AC_SUBST(P5PLUS_KOPTS)
 874                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
 875                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
 876                  OPENAFS_GCC_SUPPORTS_NO_COMMON
 877                  OPENAFS_GCC_SUPPORTS_PIPE
 878                  AC_SUBST(LINUX_GCC_KOPTS)
 879                  ifdef([OPENAFS_CONFIGURE_LIBAFS],
 880                    [LINUX_BUILD_VNODE_FROM_INODE(src/config,src/afs)],
 881                    [LINUX_BUILD_VNODE_FROM_INODE(${srcdir}/src/config,src/afs/LINUX,${srcdir}/src/afs/LINUX)]
 882                  )
 883
 884                  LINUX_KBUILD_USES_EXTRA_CFLAGS
 885                  LINUX_KERNEL_COMPILE_WORKS
 886                  LINUX_EXPORTS_FIND_TASK_BY_PID
 887                  LINUX_EXPORTS_PROC_ROOT_FS
 888                  LINUX_HAVE_CURRENT_KERNEL_TIME
 889                  LINUX_HAVE_WRITE_BEGIN_AOP
 890                  LINUX_HAVE_BDI_INIT
 891                  LINUX_KMEM_CACHE_INIT
 892                  LINUX_HAVE_GRAB_CACHE_PAGE_WRITE_BEGIN
 893                  LINUX_STRUCT_TASK_HAS_CRED
 894                  LINUX_STRUCT_PROC_DIR_ENTRY_HAS_OWNER
 895                  LINUX_HAVE_KMEM_CACHE_T
 896                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
 897                  LINUX_D_PATH_TAKES_STRUCT_PATH
 898                  LINUX_NEW_EXPORT_OPS
 899                  LINUX_CONFIG_H_EXISTS
 900                  LINUX_COMPLETION_H_EXISTS
 901                  LINUX_SEMAPHORE_H_EXISTS
 902                  LINUX_EXPORTFS_H_EXISTS
 903                  LINUX_DEFINES_FOR_EACH_PROCESS
 904                  LINUX_DEFINES_PREV_TASK
 905                  LINUX_FS_STRUCT_SUPER_HAS_ALLOC_INODE
 906                  LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK
 907                  LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_GFP_MASK
 908                  LINUX_FS_STRUCT_INODE_HAS_I_ALLOC_SEM
 909                  LINUX_FS_STRUCT_INODE_HAS_I_BLKBITS
 910                  LINUX_FS_STRUCT_INODE_HAS_I_BLKSIZE
 911                  LINUX_FS_STRUCT_INODE_HAS_I_TRUNCATE_SEM
 912                  LINUX_FS_STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS
 913                  LINUX_FS_STRUCT_INODE_HAS_I_DEVICES
 914                  LINUX_FS_STRUCT_INODE_HAS_I_MMAP_SHARED
 915                  LINUX_FS_STRUCT_INODE_HAS_I_MUTEX
 916                  LINUX_FS_STRUCT_INODE_HAS_I_SB_LIST
 917                  LINUX_FS_STRUCT_INODE_HAS_I_SECURITY
 918                  LINUX_FS_STRUCT_INODE_HAS_INOTIFY_LOCK
 919                  LINUX_FS_STRUCT_INODE_HAS_INOTIFY_SEM
 920                  LINUX_INODE_SETATTR_RETURN_TYPE
 921                  LINUX_WRITE_INODE_RETURN_TYPE
 922                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
 923                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
 924                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
 925                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
 926                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
 927                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
 928                  LINUX_AOP_WRITEBACK_CONTROL
 929                  LINUX_FS_STRUCT_FOP_HAS_FLOCK
 930                  LINUX_FS_STRUCT_FOP_HAS_SENDFILE
 931                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
 932                  LINUX_KERNEL_LINUX_SYSCALL_H
 933                  LINUX_KERNEL_LINUX_SEQ_FILE_H
 934                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
 935                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
 936                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
 937                  LINUX_KERNEL_SELINUX
 938                  LINUX_KERNEL_SOCK_CREATE
 939                  LINUX_KERNEL_PAGE_FOLLOW_LINK
 940                  LINUX_KERNEL_HLIST_UNHASHED
 941                  LINUX_KEY_TYPE_H_EXISTS
 942                  LINUX_EXPORTS_KEY_TYPE_KEYRING
 943                  LINUX_NEED_RHCONFIG
 944                  LINUX_RECALC_SIGPENDING_ARG_TYPE
 945                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_PARENT
 946                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_REAL_PARENT
 947                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIG
 948                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGHAND
 949                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK
 950                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_RLIM
 951                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
 952                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_EXIT_STATE
 953                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TGID
 954                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TODO
 955                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_THREAD_INFO
 956                  LINUX_EXPORTS_TASKLIST_LOCK
 957                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
 958                  LINUX_STATFS_TAKES_DENTRY
 959                  LINUX_FREEZER_H_EXISTS
 960                  LINUX_HAVE_SVC_ADDR_IN
 961                  if test "x$ac_cv_linux_freezer_h_exists" = "xyes" ; then
 962                   AC_DEFINE(FREEZER_H_EXISTS, 1, [define if you have linux/freezer.h])
 963                  fi
 964                  LINUX_REFRIGERATOR
 965                  LINUX_LINUX_KEYRING_SUPPORT
 966                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
 967                  LINUX_KEY_ALLOC_NEEDS_CRED
 968                  LINUX_DO_SYNC_READ
 969                  LINUX_GENERIC_FILE_AIO_READ
 970                  LINUX_INIT_WORK_HAS_DATA
 971                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
 972                  LINUX_SYSCTL_TABLE_CHECKING
 973                  LINUX_HAVE_IGET
 974                  if test "x$ac_cv_linux_have_iget" = "xno"; then
 975                    AC_DEFINE([LINUX_USE_FH], 1, [define to use linux file handles for cache files])
 976                  fi
 977                  LINUX_HAVE_I_SIZE_READ
 978                  LINUX_HAVE_D_ALLOC_ANON
 979                  if test "x$ac_cv_linux_d_alloc_anon" = "xno"; then
 980                    AC_DEFINE([AFS_NONFSTRANS], 1, [define to disable the nfs translator])
 981                  fi
 982                  LINUX_FS_STRUCT_NAMEIDATA_HAS_PATH
 983                  LINUX_EXPORTS_INIT_MM
 984                  LINUX_EXPORTS_SYS_CHDIR
 985                  LINUX_EXPORTS_SYS_CLOSE
 986                  LINUX_EXPORTS_SYS_OPEN
 987                  LINUX_EXPORTS_SYS_WAIT4
 988                  LINUX_EXPORTS_RCU_READ_LOCK
 989                  if test "x$with_linux_kernel_packaging" = "xno" ; then
 990                    LINUX_WHICH_MODULES
 991                  else
 992                    AC_SUBST(MPS,'SP')
 993                  fi
 994                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
 995                    AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
 996                    ac_cv_linux_exports_sys_call_table=no
 997                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
 998                      ac_cv_linux_exports_ia32_sys_call_table=yes
 999                    fi
1000                  else
1001                    LINUX_EXPORTS_KALLSYMS_ADDRESS
1002                    LINUX_EXPORTS_KALLSYMS_SYMBOL
1003                    LINUX_EXPORTS_SYS_CALL_TABLE
1004                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
1005                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
1006                          linux_syscall_method=none
1007                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
1008                             linux_syscall_method=scan
1009                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
1010                                linux_syscall_method=scan_with_kallsyms_address
1011                             fi
1012                          fi
1013                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
1014                             linux_syscall_method=kallsyms_symbol
1015                          fi
1016                          if test "x$linux_syscall_method" = "xnone"; then
1017                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
1018                             linux_syscall_method=scan
1019                          fi
1020                    fi
1021                  fi
1022                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
1023                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
1024                  fi
1025                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
1026                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
1027                  fi
1028                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
1029                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
1030                  fi
1031                  if test "x$ac_cv_linux_exports_sys_chdir" = "xyes" ; then
1032                   AC_DEFINE(EXPORTED_SYS_CHDIR, 1, [define if your linux kernel exports sys_chdir])
1033                  fi
1034                  if test "x$ac_cv_linux_exports_sys_open" = "xyes" ; then
1035                   AC_DEFINE(EXPORTED_SYS_OPEN, 1, [define if your linux kernel exports sys_open])
1036                  fi
1037                  if test "x$ac_cv_linux_exports_sys_close" = "xyes" ; then
1038                   AC_DEFINE(EXPORTED_SYS_CLOSE, 1, [define if your linux kernel exports sys_close])
1039                  fi
1040                  if test "x$ac_cv_linux_exports_sys_wait4" = "xyes" ; then
1041                   AC_DEFINE(EXPORTED_SYS_WAIT4, 1, [define if your linux kernel exports sys_wait4])
1042                  fi
1043                  if test "x$ac_cv_linux_exports_sys_call_table" = "xyes"; then
1044                   AC_DEFINE(EXPORTED_SYS_CALL_TABLE, 1, [define if your linux kernel exports sys_call_table])
1045                  fi
1046                  if test "x$ac_cv_linux_exports_ia32_sys_call_table" = "xyes"; then
1047                   AC_DEFINE(EXPORTED_IA32_SYS_CALL_TABLE, 1, [define if your linux kernel exports ia32_sys_call_table])
1048                  fi
1049                  if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
1050                   AC_DEFINE(EXPORTED_KALLSYMS_SYMBOL, 1, [define if your linux kernel exports kallsyms])
1051                  fi
1052                  if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
1053                   AC_DEFINE(EXPORTED_KALLSYMS_ADDRESS, 1, [define if your linux kernel exports kallsyms address])
1054                  fi
1055                  if test "x$ac_cv_linux_completion_h_exists" = "xyes" ; then
1056                   AC_DEFINE(COMPLETION_H_EXISTS, 1, [define if completion_h exists])
1057                  fi
1058                  if test "x$ac_cv_linux_config_h_exists" = "xyes" ; then
1059                   AC_DEFINE(CONFIG_H_EXISTS, 1, [define if config.h exists])
1060                  fi
1061                  if test "x$ac_cv_linux_exportfs_h_exists" = "xyes"; then
1062                   AC_DEFINE(EXPORTFS_H_EXISTS, 1, [define if linux/exportfs.h exists])
1063                  fi
1064                  if test "x$ac_cv_linux_key_type_h_exists" = "xyes" ; then
1065                   AC_DEFINE(KEY_TYPE_H_EXISTS, 1, [define if key-type.h exists])
1066                  fi
1067                  if test "x$ac_cv_linux_defines_for_each_process" = "xyes" ; then
1068                   AC_DEFINE(DEFINED_FOR_EACH_PROCESS, 1, [define if for_each_process defined])
1069                  fi
1070                  if test "x$ac_cv_linux_defines_prev_task" = "xyes" ; then
1071                   AC_DEFINE(DEFINED_PREV_TASK, 1, [define if prev_task defined])
1072                  fi
1073                  if test "x$ac_cv_linux_func_inode_setattr_returns_int" = "xyes" ; then
1074                   AC_DEFINE(INODE_SETATTR_NOT_VOID, 1, [define if your setattr return return non-void])
1075                  fi
1076                  if test "x$ac_cv_linux_func_write_inode_returns_int" = "xyes" ; then
1077                   AC_DEFINE(WRITE_INODE_NOT_VOID, 1, [define if your sops.write_inode returns non-void])
1078                  fi
1079                  if test "x$ac_cv_linux_fs_struct_super_has_alloc_inode" = "xyes" ; then
1080                   AC_DEFINE(STRUCT_SUPER_HAS_ALLOC_INODE, 1, [define if your struct super_operations has alloc_inode])
1081                  fi
1082                  if test "x$ac_cv_linux_fs_struct_address_space_has_page_lock" = "xyes"; then
1083                   AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK, 1, [define if your struct address_space has page_lock])
1084                  fi
1085                  if test "x$ac_cv_linux_fs_struct_address_space_has_gfp_mask" = "xyes"; then
1086                   AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_GFP_MASK, 1, [define if your struct address_space has gfp_mask])
1087                  fi
1088                  if test "x$ac_cv_linux_fs_struct_inode_has_i_truncate_sem" = "xyes"; then
1089                   AC_DEFINE(STRUCT_INODE_HAS_I_TRUNCATE_SEM, 1, [define if your struct inode has truncate_sem])
1090                  fi
1091                  if test "x$ac_cv_linux_fs_struct_inode_has_i_alloc_sem" = "xyes"; then
1092                   AC_DEFINE(STRUCT_INODE_HAS_I_ALLOC_SEM, 1, [define if your struct inode has alloc_sem])
1093                  fi
1094                  if test "x$ac_cv_linux_fs_struct_inode_has_i_blksize" = "xyes"; then
1095                   AC_DEFINE(STRUCT_INODE_HAS_I_BLKSIZE, 1, [define if your struct inode has i_blksize])
1096                  fi
1097                  if test "x$ac_cv_linux_fs_struct_inode_has_i_devices" = "xyes"; then
1098                   AC_DEFINE(STRUCT_INODE_HAS_I_DEVICES, 1, [define if you struct inode has i_devices])
1099                  fi
1100                  if test "x$ac_cv_linux_fs_struct_inode_has_i_security" = "xyes"; then
1101                   AC_DEFINE(STRUCT_INODE_HAS_I_SECURITY, 1, [define if you struct inode has i_security])
1102                  fi
1103                  if test "x$ac_cv_linux_fs_struct_inode_has_i_mutex" = "xyes"; then
1104                   AC_DEFINE(STRUCT_INODE_HAS_I_MUTEX, 1, [define if you struct inode has i_mutex])
1105                  fi
1106                  if test "x$ac_cv_linux_fs_struct_inode_has_i_sb_list" = "xyes"; then
1107                   AC_DEFINE(STRUCT_INODE_HAS_I_SB_LIST, 1, [define if you struct inode has i_sb_list])
1108                  fi
1109                  if test "x$ac_cv_linux_fs_struct_inode_has_i_dirty_data_buffers" = "xyes"; then
1110                   AC_DEFINE(STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS, 1, [define if your struct inode has data_buffers])
1111                  fi
1112                  if test "x$ac_cv_linux_fs_struct_inode_has_inotify_lock" = "xyes"; then
1113                   AC_DEFINE(STRUCT_INODE_HAS_INOTIFY_LOCK, 1, [define if your struct inode has inotify_lock])
1114                  fi
1115                  if test "x$ac_cv_linux_fs_struct_inode_has_inotify_sem" = "xyes"; then
1116                   AC_DEFINE(STRUCT_INODE_HAS_INOTIFY_SEM, 1, [define if your struct inode has inotify_sem])
1117                  fi
1118                  if test "x$ac_cv_linux_func_recalc_sigpending_takes_void" = "xyes"; then
1119                   AC_DEFINE(RECALC_SIGPENDING_TAKES_VOID, 1, [define if your recalc_sigpending takes void])
1120                  fi
1121                  if test "x$ac_cv_linux_kernel_posix_lock_file_wait_arg" = "xyes" ; then
1122                   AC_DEFINE(POSIX_LOCK_FILE_WAIT_ARG, 1, [define if your linux kernel uses 3 arguments for posix_lock_file])
1123                  fi
1124                  if test "x$ac_cv_linux_kernel_is_selinux" = "xyes" ; then
1125                   AC_DEFINE(LINUX_KERNEL_IS_SELINUX, 1, [define if your linux kernel uses SELinux features])
1126                  fi
1127                  if test "x$ac_cv_linux_kernel_sock_create_v" = "xyes" ; then
1128                   AC_DEFINE(LINUX_KERNEL_SOCK_CREATE_V, 1, [define if your linux kernel uses 5 arguments for sock_create])
1129                  fi
1130                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" ; then
1131                   AC_DEFINE(HAVE_KERNEL_PAGE_FOLLOW_LINK, 1, [define if your linux kernel provides page_follow_link])
1132                  fi
1133                  if test "x$ac_cv_linux_kernel_hlist_unhashed" = "xyes" ; then
1134                   AC_DEFINE(HAVE_KERNEL_HLIST_UNHASHED, 1, [define if your linux kernel provides hlist_unhashed])
1135                  fi
1136                  if test "x$ac_linux_syscall" = "xyes" ; then
1137                   AC_DEFINE(HAVE_KERNEL_LINUX_SYSCALL_H, 1, [define if your linux kernel has linux/syscall.h])
1138                  fi
1139                  if test "x$ac_linux_seq_file" = "xyes" ; then
1140                   AC_DEFINE(HAVE_KERNEL_LINUX_SEQ_FILE_H, 1, [define if your linux kernel has linux/seq_file.h])
1141                  fi
1142                  if test "x$ac_cv_linux_sched_struct_task_struct_has_parent" = "xyes"; then
1143                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_PARENT, 1, [define if your struct task_struct has parent])
1144                  fi
1145                  if test "x$ac_cv_linux_sched_struct_task_struct_has_real_parent" = "xyes"; then
1146                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_REAL_PARENT, 1, [define if your struct task_struct has real_parent])
1147                  fi
1148                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sigmask_lock" = "xyes"; then
1149                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK, 1, [define if your struct task_struct has sigmask_lock])
1150                  fi
1151                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sighand" = "xyes"; then
1152                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGHAND, 1, [define if your struct task_struct has sighand])
1153                  fi
1154                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sig" = "xyes"; then
1155                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIG, 1, [define if your struct task_struct has sig])
1156                  fi
1157                  if test "x$ac_cv_linux_sched_struct_task_struct_has_rlim" = "xyes"; then
1158                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_RLIM, 1, [define if your struct task_struct has rlim])
1159                  fi
1160                  if test "x$ac_cv_linux_sched_struct_task_struct_has_signal_rlim" = "xyes"; then
1161                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM, 1, [define if your struct task_struct has signal->rlim])
1162                  fi
1163                  if test "x$ac_cv_linux_sched_struct_task_struct_has_exit_state" = "xyes"; then
1164                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_EXIT_STATE, 1, [define if your struct task_struct has exit_state])
1165                  fi
1166                  if test "x$ac_cv_linux_sched_struct_task_struct_has_tgid" = "xyes"; then
1167                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TGID, 1, [define if your struct task_struct has tgid])
1168                  fi
1169                  if test "x$ac_cv_linux_sched_struct_task_struct_has_todo" = "xyes"; then
1170                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TODO, 1, [define if your struct task_struct has todo])
1171                  fi
1172                  if test "x$ac_cv_linux_sched_struct_task_struct_has_thread_info" = "xyes"; then
1173                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_THREAD_INFO, 1, [define if your struct task_struct has thread_info])
1174                  fi
1175                  if test "x$ac_cv_linux_get_sb_has_struct_vfsmount" = "xyes"; then
1176                   AC_DEFINE(GET_SB_HAS_STRUCT_VFSMOUNT, 1, [define if your get_sb_nodev needs a struct vfsmount argument])
1177                  fi
1178                  if test "x$ac_cv_linux_statfs_takes_dentry" = "xyes"; then
1179                   AC_DEFINE(STATFS_TAKES_DENTRY, 1, [define if your statfs takes a dentry argument])
1180                  fi
1181                  if test "x$ac_cv_linux_func_a_writepage_takes_writeback_control" = "xyes" ; then
1182                   AC_DEFINE(AOP_WRITEPAGE_TAKES_WRITEBACK_CONTROL, 1, [define if your aops.writepage takes a struct writeback_control argument])
1183                  fi
1184                  if test "x$ac_cv_linux_func_refrigerator_takes_pf_freeze" = "xyes" ; then
1185                   AC_DEFINE(LINUX_REFRIGERATOR_TAKES_PF_FREEZE, 1, [define if your refrigerator takes PF_FREEZE])
1186                  fi
1187                  if test "x$ac_cv_linux_func_i_create_takes_nameidata" = "xyes" ; then
1188                   AC_DEFINE(IOP_CREATE_TAKES_NAMEIDATA, 1, [define if your iops.create takes a nameidata argument])
1189                  fi
1190                  if test "x$ac_cv_linux_func_f_flush_takes_fl_owner_t" = "xyes" ; then
1191                   AC_DEFINE(FOP_FLUSH_TAKES_FL_OWNER_T, 1, [define if your fops.flush takes an fl_owner_t argument])
1192                  fi
1193                  if test "x$ac_cv_linux_func_i_lookup_takes_nameidata" = "xyes" ; then
1194                   AC_DEFINE(IOP_LOOKUP_TAKES_NAMEIDATA, 1, [define if your iops.lookup takes a nameidata argument])
1195                  fi
1196                  if test "x$ac_cv_linux_func_i_permission_takes_nameidata" = "xyes" ; then
1197                   AC_DEFINE(IOP_PERMISSION_TAKES_NAMEIDATA, 1, [define if your iops.permission takes a nameidata argument])
1198                  fi
1199                  if test "x$ac_cv_linux_func_d_revalidate_takes_nameidata" = "xyes" ; then
1200                   AC_DEFINE(DOP_REVALIDATE_TAKES_NAMEIDATA, 1, [define if your dops.d_revalidate takes a nameidata argument])
1201                  fi
1202                  if test "x$ac_cv_linux_init_work_has_data" = "xyes" ; then
1203                   AC_DEFINE(INIT_WORK_HAS_DATA, 1, [define if INIT_WORK takes a data (3rd) argument])
1204                  fi
1205                  if test "x$ac_cv_linux_fs_struct_fop_has_flock" = "xyes" ; then
1206                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_FLOCK, 1, [define if your struct file_operations has flock])
1207                  fi
1208                  if test "x$ac_cv_linux_fs_struct_fop_has_sendfile" = "xyes" ; then
1209                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_SENDFILE, 1, [define if your struct file_operations has sendfile])
1210                  fi
1211                  if test "x$ac_cv_linux_fs_struct_fop_has_splice" = "xyes" ; then
1212                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_SPLICE, 1, [define if your struct file_operations has splice_write and splice_read])
1213                  fi
1214                  if test "x$ac_cv_linux_register_sysctl_table_noflag" = "xyes" ; then
1215                   AC_DEFINE(REGISTER_SYSCTL_TABLE_NOFLAG, 1, [define if register_sysctl_table has no insert_at head flag])
1216                  fi
1217                  if test "x$ac_cv_linux_sysctl_table_checking" = "xyes" ; then
1218                   AC_DEFINE(SYSCTL_TABLE_CHECKING, 1, [define if your kernel has sysctl table checking])
1219                  fi
1220                  if test "x$ac_cv_linux_have_iget" = "xyes" ; then
1221                   AC_DEFINE(HAVE_IGET, 1, [define if your kernel has iget])
1222                  fi
1223                  if test "x$ac_cv_linux_struct_nameidata_has_path" = "xyes" ; then
1224                   AC_DEFINE(STRUCT_NAMEIDATA_HAS_PATH, 1, [define if your struct nameidata has path])
1225                  fi
1226                  if test "x$ac_cv_linux_exports_init_mm" = "xyes" ; then
1227                   AC_DEFINE(EXPORTED_INIT_MM, 1, [define if your kernel exports init_mm])
1228                  fi
1229                  if test "x$ac_cv_linux_exports_tasklist_lock" = "xyes" ; then
1230                   AC_DEFINE(EXPORTED_TASKLIST_LOCK, 1, [define if tasklist_lock exported])
1231                  fi
1232                  if test "x$ac_cv_linux_have_kmem_cache_t" = "xyes" ; then
1233                   AC_DEFINE(HAVE_KMEM_CACHE_T, 1, [define if kmem_cache_t exists])
1234                  fi
1235                  if test "x$ac_cv_linux_kmem_cache_init" = "xyes" ; then
1236                   AC_DEFINE(KMEM_CACHE_INIT, 1, [define for new kmem_cache init function parameters])
1237                  fi
1238                  if test "x$ac_cv_linux_have_current_kernel_time" = "xyes" ; then
1239                   AC_DEFINE(HAVE_CURRENT_KERNEL_TIME, 1, [define if current_kernel_time() exists])
1240                  fi
1241                  if test "x$ac_cv_linux_have_kmem_cache_t" = "xyes" ; then
1242                   AC_DEFINE(KMEM_CACHE_TAKES_DTOR, 1, [define if kmem_cache_create takes a destructor argument])
1243                  fi
1244                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
1245                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
1246                  else
1247                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
1248                  fi
1249                  if test "x$ac_cv_linux_have_svc_addr_in" = "xyes"; then
1250                   AC_DEFINE(HAVE_SVC_ADDR_IN, 1, [define if svc_add_in exists])
1251                  fi
1252                 :
1253                 fi
1254 esac
1255
1256 case $AFS_SYSNAME in
1257         *_darwin*)
1258                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
1259                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
1260                 dnl the test below fails on darwin, even if the CPPFLAGS below
1261                 dnl are added. the headers from Kernel.framework must be used
1262                 dnl when KERNEL is defined.
1263
1264                 dnl really, such a thing isn't guaranteed to work on any
1265                 dnl platform until the kernel cflags from MakefileProto are
1266                 dnl known to configure
1267                 AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
1268                 ;;
1269         *)
1270 AC_MSG_CHECKING(for definition of struct buf)
1271 dnl save_CPPFLAGS="$CPPFLAGS"
1272 dnl CPPFLAGS="$CPPFLAGS -DKERNEL -D_KERNEL -D__KERNEL -D__KERNEL__"
1273 AC_CACHE_VAL(ac_cv_have_struct_buf, [
1274         ac_cv_have_struct_buf=no
1275         AC_TRY_COMPILE(
1276                 [#include <sys/buf.h>],
1277                 [struct buf x;
1278                 printf("%d\n", sizeof(x));],
1279                 ac_cv_have_struct_buf=yes,)
1280         ]
1281 )
1282 dnl CPPFLAGS="$save_CPPFLAGS"
1283 AC_MSG_RESULT($ac_cv_have_struct_buf)
1284 if test "$ac_cv_have_struct_buf" = yes; then
1285         AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
1286 fi
1287 ;;
1288 esac
1289
1290
1291 AC_CACHE_VAL(ac_cv_sockaddr_len,
1292 [
1293 AC_MSG_CHECKING([if struct sockaddr has sa_len field])
1294 AC_TRY_COMPILE( [#include <sys/types.h>
1295 #include <sys/socket.h>],
1296 [struct sockaddr *a;
1297 a->sa_len=0;], ac_cv_sockaddr_len=yes, ac_cv_sockaddr_len=no)
1298 AC_MSG_RESULT($ac_cv_sockaddr_len)])
1299 if test "$ac_cv_sockaddr_len" = "yes"; then
1300    AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1, [define if you struct sockaddr sa_len])
1301 fi
1302 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
1303         echo Skipping library tests because they confuse Irix.
1304 else
1305   AC_SEARCH_LIBS([socket], [socket inet])
1306   AC_SEARCH_LIBS([connect], [nsl])
1307   AC_SEARCH_LIBS([gethostbyname], [dns nsl resolv])
1308
1309   dnl darwin wants it, aix hates it
1310   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1311   AC_TRY_COMPILE([
1312   #include <stdlib.h>
1313   #include <stdio.h>
1314   #include <sys/types.h>
1315   #include <sys/socket.h>
1316   #include <netinet/in.h>
1317   #include <arpa/inet.h>
1318   #include <arpa/nameser.h>
1319   #include <arpa/nameser_compat.h>
1320   #include <resolv.h>
1321   ], [static int i; i = 0;],
1322   [AC_MSG_RESULT(yes)
1323    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1324   [AC_MSG_RESULT(no)
1325    ])
1326
1327   openafs_save_libs="$LIBS"
1328   AC_MSG_CHECKING([for res_search])
1329   AC_FUNC_RES_SEARCH
1330
1331   if test "$ac_cv_func_res_search" = no; then
1332       for lib in dns nsl resolv; do
1333         if test "$ac_cv_func_res_search" != yes; then
1334           LIBS="-l$lib $LIBS"
1335           AC_FUNC_RES_SEARCH
1336           LIBS="$openafs_save_libs"
1337         fi
1338       done
1339       if test "$ac_cv_func_res_search" = yes; then
1340         LIB_res_search="-l$lib"
1341         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1342         AC_MSG_RESULT([yes, in lib$lib])
1343       else
1344         AC_MSG_RESULT(no)
1345       fi
1346   else
1347     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1348     AC_MSG_RESULT(yes)
1349   fi
1350
1351 fi
1352
1353 AC_CACHE_VAL(ac_cv_setsockopt_iprecverr,
1354 [
1355 AC_MSG_CHECKING([for setsockopt(, SOL_IP, IP_RECVERR)])
1356 AC_TRY_COMPILE( [#include <sys/types.h>
1357 #include <sys/socket.h>
1358 #include <netinet/in.h>],
1359 [int on=1;
1360 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));], ac_cv_setsockopt_iprecverr=yes, ac_cv_setsockopt_iprecverr=no)
1361 AC_MSG_RESULT($ac_cv_setsockopt_iprecverr)])
1362 if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1363    AC_DEFINE(ADAPT_PMTU_RECVERR, 1, [define if asynchronous socket errors can be received])
1364 fi
1365
1366 PTHREAD_LIBS=error
1367 if test "x$MKAFS_OSTYPE" = OBSD; then
1368         PTHREAD_LIBS="-pthread"
1369 fi
1370 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1371         PTHREAD_LIBS="-pthread"
1372 fi
1373 if test "x$PTHREAD_LIBS" = xerror; then
1374         AC_CHECK_LIB(pthread, pthread_attr_init,
1375                 PTHREAD_LIBS="-lpthread")
1376 fi
1377 if test "x$PTHREAD_LIBS" = xerror; then
1378         AC_CHECK_LIB(pthreads, pthread_attr_init,
1379                 PTHREAD_LIBS="-lpthreads")
1380 fi
1381 if test "x$PTHREAD_LIBS" = xerror; then
1382         AC_CHECK_LIB(c_r, pthread_attr_init,
1383                 PTHREAD_LIBS="-lc_r")
1384 fi
1385 if test "x$PTHREAD_LIBS" = xerror; then
1386         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1387 fi
1388 if test "x$PTHREAD_LIBS" = xerror; then
1389         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1390         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1391                 PTHREAD_LIBS="-lpthread")
1392 fi
1393 if test "x$PTHREAD_LIBS" = xerror; then
1394         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1395 fi
1396 AC_SUBST(PTHREAD_LIBS)
1397
1398 HOST_CPU="$host_cpu"
1399
1400 if test "x$with_bsd_kernel_headers" != "x"; then
1401         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1402 else
1403         BSD_KERNEL_PATH="/usr/src/sys"
1404 fi
1405
1406 if test "x$with_bsd_kernel_build" != "x"; then
1407         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1408 else
1409         case $AFS_SYSNAME in
1410                 *_fbsd_4?)
1411                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/compile/GENERIC"
1412                         ;;
1413                 *_fbsd_*)
1414                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1415                         ;;
1416         esac
1417 fi
1418
1419 # Fast restart
1420 if test "$enable_supergroups" = "yes"; then
1421         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1422 fi
1423
1424 if test "$enable_fast_restart" = "yes"; then
1425         AC_DEFINE(FAST_RESTART, 1, [define if you want to have fast restart])
1426 fi
1427
1428 if test "$enable_bitmap_later" = "yes"; then
1429         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1430 fi
1431
1432 if test "$enable_demand_attach_fs" = "yes"; then
1433         AC_DEFINE(DEMAND_ATTACH_ENABLE, 1, [define if you want the demand attach fileserver])
1434         DEMAND_ATTACH="yes"
1435 else
1436         DEMAND_ATTACH="no"
1437 fi
1438 AC_SUBST(DEMAND_ATTACH)
1439
1440 if test "$enable_disconnected" = "yes"; then
1441         AC_DEFINE(AFS_DISCON_ENV, 1, [define if you want support for disconnected operation])
1442 fi
1443
1444 if test "$enable_unix_sockets" = "yes"; then
1445         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1446         USE_UNIX_SOCKETS="yes"
1447 else
1448         USE_UNIX_SOCKETS="no"
1449 fi
1450 AC_SUBST(USE_UNIX_SOCKETS)
1451
1452 if test "$enable_fast_restart" = "yes" &&
1453    test "$enable_demand_attach_fs" = "yes" ; then
1454         AC_MSG_ERROR([The Demand Attach and Fast Restart extensions are mutually exclusive.  Demand Attach fileservers automatically salvage volumes in the background, thereby making Fast Restart pointless.])
1455         exit 1
1456 fi
1457
1458 if test "$enable_full_vos_listvol_switch" = "yes"; then
1459         AC_DEFINE(FULL_LISTVOL_SWITCH, 1, [define if you want to want listvol switch])
1460 fi
1461
1462 if test "$enable_icmp_pmtu_discovery" = "yes"; then
1463    if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1464         AC_DEFINE(ADAPT_PMTU, 1, [define if you want to decode icmp unreachable packets to discover path mtu])
1465    fi
1466 fi
1467
1468 if test "$enable_bos_restricted_mode" = "yes"; then
1469         AC_DEFINE(BOS_RESTRICTED_MODE, 1, [define if you want to want bos restricted mode])
1470 fi
1471
1472 if test "$enable_bos_new_config" = "yes"; then
1473         AC_DEFINE(BOS_NEW_CONFIG, 1, [define if you want to enable automatic renaming of BosConfig.new to BosConfig at startup])
1474 fi
1475
1476 if test "$enable_largefile_fileserver" = "yes"; then
1477         AC_DEFINE(AFS_LARGEFILE_ENV, 1, [define if you want large file fileserver])
1478 fi
1479
1480 if test "$enable_cache_bypass" = "yes"; then
1481         AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
1482 fi
1483
1484 if test "$enable_namei_fileserver" = "yes"; then
1485         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1486         VFSCK=""
1487 else
1488         if test "$enable_namei_fileserver" = "default"; then
1489                 case $host in
1490                         *-solaris2.10*)
1491                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1492                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1493                                 VFSCK=""
1494                                 ;;
1495                         *-solaris2.11*)
1496                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1497                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1498                                 VFSCK=""
1499                                 ;;
1500                         *)
1501                                 VFSCK="vfsck"
1502                                 ;;
1503                 esac
1504         else
1505                 VFSCK="vfsck"
1506         fi
1507 fi
1508
1509 if test "$enable_afsdb" = "yes"; then
1510         LIB_AFSDB="$LIB_res_search"
1511         AC_DEFINE(AFS_AFSDB_ENV, 1, [define if you want to want search afsdb rr])
1512 fi
1513
1514 dnl check for tivoli
1515 AC_MSG_CHECKING(for tivoli tsm butc support)
1516 XBSA_CFLAGS=""
1517 if test "$enable_tivoli_tsm" = "yes"; then
1518         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1519         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1520         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1521         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1522
1523         if test -r "$XBSADIR3/dsmapifp.h"; then
1524                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1525                 XBSA_XLIBS="-ldl"
1526                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1527         elif test -r "$XBSADIR4/dsmapifp.h"; then
1528                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1529                 XBSA_XLIBS="-ldl"
1530                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1531         elif test -r "$XBSADIR1/xbsa.h"; then
1532                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1533                 XBSA_XLIBS=""
1534                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1535         elif test -r "$XBSADIR2/xbsa.h"; then
1536                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1537                 XBSA_XLIBS=""
1538                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1539         else
1540                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1541         fi
1542 else
1543         AC_MSG_RESULT([no])
1544 fi
1545 AC_SUBST(XBSA_CFLAGS)
1546 AC_SUBST(XBSA_XLIBS)
1547
1548 dnl checks for header files.
1549 AC_HEADER_STDC
1550 AC_HEADER_SYS_WAIT
1551 AC_HEADER_DIRENT
1552 AC_CHECK_HEADERS(stdlib.h string.h unistd.h poll.h fcntl.h sys/time.h sys/file.h grp.h)
1553 AC_CHECK_HEADERS(netinet/in.h netdb.h sys/fcntl.h sys/mnttab.h sys/mntent.h)
1554 AC_CHECK_HEADERS(mntent.h sys/vfs.h sys/param.h sys/fs_types.h sys/fstyp.h)
1555 AC_CHECK_HEADERS(sys/mount.h strings.h termios.h signal.h poll.h sys/pag.h)
1556 AC_CHECK_HEADERS(windows.h malloc.h winsock2.h direct.h io.h sys/user.h sys/ipc.h)
1557 AC_CHECK_HEADERS(security/pam_modules.h siad.h usersec.h ucontext.h regex.h values.h sys/statvfs.h sys/statfs.h sys/bitypes.h)
1558 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1559
1560 AC_CHECK_TYPES([fsblkcnt_t],,,[
1561 #include <sys/types.h>
1562 #ifdef HAVE_SYS_BITYPES_H
1563 #include <sys/bitypes.h>
1564 #endif
1565 #ifdef HAVE_SYS_STATFS_H
1566 #include <sys/statfs.h>
1567 #endif
1568 #ifdef HAVE_SYS_STATVFS_H
1569 #include <sys/statvfs.h>
1570 #endif
1571 ])
1572
1573 dnl Don't build PAM on IRIX; the interface doesn't work for us.
1574 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1575         case $AFS_SYSNAME in
1576         sgi_*)
1577                 HAVE_PAM="no"
1578                 ;;
1579         *)
1580                 HAVE_PAM="yes"
1581                 ;;
1582         esac
1583 else
1584         HAVE_PAM="no"
1585 fi
1586 AC_SUBST(HAVE_PAM)
1587
1588 if test "$enable_login" = yes; then
1589         BUILD_LOGIN="yes"
1590 else
1591         BUILD_LOGIN="no"
1592 fi
1593 AC_SUBST(BUILD_LOGIN)
1594
1595 AC_CHECK_FUNCS(utimes random srandom getdtablesize snprintf strlcat strlcpy re_comp re_exec flock)
1596 AC_CHECK_FUNCS(setprogname getprogname sigaction mkstemp vsnprintf strerror strcasestr)
1597 AC_CHECK_FUNCS(setvbuf vsyslog getcwd)
1598 AC_CHECK_FUNCS(regcomp regexec regerror)
1599 AC_MSG_CHECKING([for POSIX regex library])
1600 if test "$ac_cv_header_regex_h" = "yes" && \
1601         test "$ac_cv_func_regcomp" = "yes" && \
1602         test "$ac_cv_func_regexec" = "yes" && \
1603         test "$ac_cv_func_regerror" = "yes"; then
1604     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1605     AC_MSG_RESULT(yes)
1606 else
1607     AC_MSG_RESULT(no)
1608 fi
1609
1610 AC_TYPE_SOCKLEN_T
1611 AC_TYPE_SIGNAL
1612 AC_CHECK_TYPE(ssize_t, int)
1613 AC_CHECK_TYPES(sig_t, , ,
1614   [#include <sys/types.h>
1615    #include <signal.h> ])
1616 AH_BOTTOM(
1617 [#ifndef HAVE_SIG_T
1618 #ifndef SIG_T_DEFINED
1619 #define SIG_T_DEFINED
1620 typedef RETSIGTYPE (*sig_t) ();
1621 #endif
1622 #endif])
1623 AC_CHECK_TYPE([sig_atomic_t], ,
1624     [AC_DEFINE([sig_atomic_t], [int],
1625         [Define to int if <signal.h> does not define.])],
1626 [#include <sys/types.h>
1627 #include <signal.h>])
1628 AC_SIZEOF_TYPE(long)
1629
1630 AC_CHECK_FUNCS(timegm)
1631 AC_CHECK_FUNCS(daemon)
1632
1633 dnl Directory PATH handling
1634 if test "x$enable_transarc_paths" = "xyes"  ; then
1635     afsconfdir=${afsconfdir=/usr/afs/etc}
1636     viceetcdir=${viceetcdir=/usr/vice/etc}
1637     afskerneldir=${afskerneldir=${viceetcdir}}
1638     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1639     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1640     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1641     afsdbdir=${afsdbdir=/usr/afs/db}
1642     afslogsdir=${afslogsdir=/usr/afs/logs}
1643     afslocaldir=${afslocaldir=/usr/afs/local}
1644     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1645     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1646     afsdatadir=${afsdatadir=/usr/vice/etc}
1647 else
1648     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1649     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1650     afskerneldir=${afskerneldir='${libdir}/openafs'}
1651     afssrvbindir=${afssrvbindir='${bindir}'}
1652     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1653     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1654     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1655     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1656     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1657     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1658     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1659     afsdatadir=${afsdatadir='${datadir}/openafs'}
1660 fi
1661 AC_SUBST(afsconfdir)
1662 AC_SUBST(viceetcdir)
1663 AC_SUBST(afskerneldir)
1664 AC_SUBST(afssrvbindir)
1665 AC_SUBST(afssrvsbindir)
1666 AC_SUBST(afssrvlibexecdir)
1667 AC_SUBST(afsdbdir)
1668 AC_SUBST(afslogsdir)
1669 AC_SUBST(afslocaldir)
1670 AC_SUBST(afsbackupdir)
1671 AC_SUBST(afsbosconfigdir)
1672 AC_SUBST(afsdatadir)
1673
1674 if test "x$enable_kernel_module" = "xyes"; then
1675 ENABLE_KERNEL_MODULE=libafs
1676 fi
1677
1678 if test "x$enable_pthreaded_ubik" = "xyes"; then
1679 ENABLE_PTHREADED_UBIK=yes
1680 fi
1681
1682 AC_SUBST(VFSCK)
1683 AC_SUBST(AFS_SYSNAME)
1684 AC_SUBST(AFS_PARAM_COMMON)
1685 AC_SUBST(ENABLE_KERNEL_MODULE)
1686 AC_SUBST(ENABLE_PTHREADED_UBIK)
1687 AC_SUBST(LIB_AFSDB)
1688 AC_SUBST(LINUX_KERNEL_PATH)
1689 AC_SUBST(LINUX_KERNEL_BUILD)
1690 AC_SUBST(HOST_CPU)
1691 AC_SUBST(BSD_KERNEL_PATH)
1692 AC_SUBST(BSD_KERNEL_BUILD)
1693 AC_SUBST(LINUX_VERSION)
1694 AC_SUBST(MKAFS_OSTYPE)
1695 AC_SUBST(TOP_OBJDIR)
1696 AC_SUBST(TOP_SRCDIR)
1697 AC_SUBST(TOP_INCDIR)
1698 AC_SUBST(TOP_LIBDIR)
1699 AC_SUBST(DEST)
1700 AC_SUBST(DARWIN_INFOFILE)
1701 AC_SUBST(IRIX_BUILD_IP35)
1702 AC_SUBST(HTML_XSL)
1703 AC_SUBST(XSLTPROC)
1704
1705 OPENAFS_OSCONF
1706 OPENAFS_KRB5CONF
1707
1708 TOP_SRCDIR="${srcdir}/src"
1709 dnl
1710 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1711 dnl
1712 case $TOP_SRCDIR in
1713         /*)
1714                 ;;
1715         *)
1716                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1717                 ;;
1718 esac
1719
1720 TOP_OBJDIR="${SRCDIR_PARENT}"
1721 TOP_INCDIR="${SRCDIR_PARENT}/include"
1722 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1723 if test "${DEST}x" = "x"; then
1724         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1725 fi
1726
1727 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1728 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1729 AC_SUBST(HELPER_SPLINT)
1730 AC_SUBST(HELPER_SPLINTCFG)
1731
1732 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1733
1734 ])